/*

  Forum: https://forum.arduino.cc/t/codeproblem-arduino-leonardo-als-tastatur/1160391/9 
  Wokwi: https://wokwi.com/projects/373704069599168513

*/

//#include <Keyboard.h>
#define Keyboard Serial

struct macroType {
  byte Pin;
  char Key;
};

macroType macro[] = {
  {2, 'A'},
  {3, 'B'},
  {4, 'C'},
  {5, 'D'},
  {6, 'E'},
  {7, 'F'},
  {8, 'G'},
  {9, 'H'}
};
constexpr byte NoOfMacros = sizeof(macro) / sizeof(macro[0]);

void setup() {
  for (byte i = 0; i < NoOfMacros; i++) {
    pinMode(macro[i].Pin, INPUT_PULLUP);
  }
  Keyboard.begin(115200);
}

void loop() {
  for (byte i = 0; i < NoOfMacros; i++) {
    if ( digitalRead(macro[i].Pin) == LOW) {
      Keyboard.print(macro[i].Key);
      delay(200);
   }

  }
}